Abstract
Quasiregular mappings are roughly quasiconformal mappings without the homeomorphism requirement. In the Euclidean n-space R n, n ≥ 2, the definition is given as follows. A continuous map f: G → R n of a domain G in R n is called quasiregular (qr) if (1) f is in the local Sobolev space W 1n,loc (G), i-.e. f has weak order partial derivatives which are locally in L n, and (2) there exists K, 1 ≤ K < ∞, such that
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© 1988 Springer-Verlag New York Inc.
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Rickman, S. (1988). Existence of quasiregular mappings. In: Drasin, D., Kra, I., Earle, C.J., Marden, A., Gehring, F.W. (eds) Holomorphic Functions and Moduli I. Mathematical Sciences Research Institute Publications, vol 10. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9602-4_15
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